Quick Link
Pricing
free
FIX for Blender 4+
The official development seems to have become stale but you can download and official fix for Blender 4 here:
https://github.com/digicreatures/rigacar/issues/125
There is also a fork that is compatible with Blender 4
https://github.com/webbertakken/rigacar
Original addon for up to Blender 3.6
The official addon is still available in this repository:
https://github.com/digicreatures/rigacar